7.1 Corrosion Types Quiz

What is uniform corrosion also known as?

• Localized corrosion

• General corrosion

• Galvanic corrosion

• Stress corrosion

Which type of corrosion occurs in specific areas rather than uniformly?

• Galvanic corrosion

• Uniform corrosion

• Localized corrosion

• Erosion corrosion

What is a common cause of pitting corrosion?

• High temperatures

• Chloride ions

• Moisture exposure

• Alkaline solutions

What type of corrosion occurs in confined spaces?

• Pitting corrosion

• Intergranular corrosion

• Crevice corrosion

• Erosion corrosion

What is the primary cause of intergranular corrosion?

• Mechanical stress

• Moisture exposure

• High temperatures

• Electrochemical reactions

What is the main characteristic of galvanic corrosion?

• Occurs along grain boundaries

• Occurs evenly over the surface

• Involves two different metals

• Caused by high-velocity fluids

What is a common application where galvanic corrosion is a concern?

• Pressure vessels

• Heat exchangers

• Ship hulls

• Pipelines

What does stress corrosion cracking (SCC) result from?

• Chemical reactions

• High-velocity fluids

• Localized pitting

• Tensile stress and corrosive environment

What is a preventive measure against uniform corrosion?

• Use of protective coatings

• Material selection

• Design modifications

• Regular inspection

What type of corrosion is characterized by small, localized pits?

• Uniform corrosion

• Localized corrosion

• Stress corrosion

• Galvanic corrosion